A franchise head office server (1) is connected to a client terminal (2) through a network (N) and used to receive an order of education software or an education seminar (12e2) from the client terminal (2). The franchise head office server (1) comprises a sales area database (12b) where virtual shop Web sites (12B1 to 12Bxxx) established on a network (N) and address information (12b2) in a preset sales area of the virtual shop Web sites (12B1 to 12Bxxx) are recorded after the address information is associated with the virtual shop Web sites. According to information on the address of a client (5) transmitted from the client terminal (2), a CPU (10) searches the address information (12b2) in the sales areas recorded in the sales area database (12b), thereby determines the relevant virtual shop Web site from the virtual shop Websites (12B1 to 12Bxxx), and performs move to the Web page of the determined one of the virtual shop Web sites (12B1 to 12Bxxx) from the head office Web site (12A).
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